2.4GHz connectivity
P1
Product 1: Endgame Gear XM2we
4.4
Reviewers confirm 2.4GHz wireless or dongle-based wireless, with no connection-drop complaints in supported reviews.
P2
Product 2: Razer Viper V4 Pro
4.8
Reviews reference HyperSpeed Wireless Gen-2 and the bundled low-latency dongle as key connection upgrades. This mouse is clearly designed around proprietary dongle wireless rather than casual secondary modes.
acceleration control
P1
Product 1: Endgame Gear XM2we
4.1
Sensor specs and reviewer usage support strong acceleration handling for fast flicks, though it is discussed as capability rather than a separate tuning feature.
P2
Product 2: Razer Viper V4 Pro
4.4
Reviews mention Dynamic Sensitivity and related tuning that can change how speed or acceleration behaves. That gives advanced users meaningful control over pointer response.
Accuracy and tracking precision
P1
Product 1: Endgame Gear XM2we
4.6
Tracking is consistently described as accurate, with reviewers praising the PAW3370 implementation even during fast movement.
P2
Product 2: Razer Viper V4 Pro
4.8
Reviews consistently describe the tracking as exact, precise, and highly dependable in play. Several reviewers say shots land where intended, especially in competitive shooters.
balance and weight distribution
P1
Product 1: Endgame Gear XM2we
4.3
Most reviewers found the mouse well balanced or stable, with a few noting it can feel slightly rear- or side-heavy compared with lighter rivals.
P2
Product 2: Razer Viper V4 Pro
4.8
Reviews describe the weight as centered, balanced, or evenly distributed. That balance is repeatedly tied to better control and a lighter-feeling experience during play.
battery life
P1
Product 1: Endgame Gear XM2we
4.3
Battery life is generally good, ranging from about 48 hours to more than a week, with several reviewers reporting week-plus use.
P2
Product 2: Razer Viper V4 Pro
4.8
Battery life is a consensus strength. Most reviews repeat the same core claim of up to 180 hours at 1,000Hz and 45 hours at 8,000Hz, and several say the real-world endurance feels excellent.
Bluetooth support
P1
Product 1: Endgame Gear XM2we
2.7
Bluetooth evidence is mixed: one review says Bluetooth is present, while another explicitly says the mouse lacks Bluetooth support.
P2
Product 2: Razer Viper V4 Pro
1.0
Reviews explicitly say Bluetooth is absent. The Viper V4 Pro prioritizes its gaming-focused dongle wireless setup instead.
build quality
P1
Product 1: Endgame Gear XM2we
4.6
Build quality is one of the strongest themes, with reviewers repeatedly calling the chassis solid, tight, robust, or excellent.
P2
Product 2: Razer Viper V4 Pro
4.9
Build quality is one of the strongest consensus wins in the review set. Reviewers repeatedly praise rigidity, lack of creak, and confidence-inspiring construction.
button customization
P1
Product 1: Endgame Gear XM2we
4.3
Button reassignment is supported in software, and reviewers found basic remapping straightforward even if the software is minimal.
P2
Product 2: Razer Viper V4 Pro
4.6
Synapse and Synapse Web are repeatedly cited for remapping and control over the available buttons. Reviewers present customization as thorough rather than bare-bones.
button responsiveness
P1
Product 1: Endgame Gear XM2we
4.7
Responsiveness is praised in use, especially in gaming, with no delays or misfires reported by the strongest positive reviews.
P2
Product 2: Razer Viper V4 Pro
4.8
Button presses are consistently described as responsive, fast, and precise. Multiple reviewers also note that the mouse avoids misclick or laggy-feeling input.
cable flexibility
P1
Product 1: Endgame Gear XM2we
4.2
The cable is generally flexible or thoughtfully angled for charging and wired use, though one reviewer found it stiff.
P2
Product 2: Razer Viper V4 Pro
2.4
The included cable is serviceable for charging, but at least one review directly criticizes the wired experience. Cable feel is not treated as a strength of the package.
charging convenience
P1
Product 1: Endgame Gear XM2we
4.3
Charging is easy and play-and-charge use is supported, with one review reporting a very fast full charge and others noting a two-hour estimate.
P2
Product 2: Razer Viper V4 Pro
3.6
Charging convenience is mixed. The strong battery life means charging is infrequent, but charging remains cable-only and lacks the ease of a docked solution.
claw grip comfort
P1
Product 1: Endgame Gear XM2we
4.7
The XM2we is most consistently praised as a claw-grip mouse, especially for medium to large hands and aggressive claw styles.
P2
Product 2: Razer Viper V4 Pro
4.6
Claw grip is one of the clearest fit strengths in the reviews. Multiple outlets directly recommend the shape for claw users.
click latency
P1
Product 1: Endgame Gear XM2we
4.3
Click latency evidence is positive overall, with adjustable debounce and several reviewers reporting no laggy click latency.
P2
Product 2: Razer Viper V4 Pro
4.9
One review explicitly cites a 0.204 ms average click latency. That supports the V4 Pro’s positioning as a very fast competitive mouse.
click noise
P1
Product 1: Endgame Gear XM2we
2.0
Click noise is a drawback in the one review that directly discusses it, describing the buttons as loud.
P2
Product 2: Razer Viper V4 Pro
3.2
The main clicks are often described as loud, pingy, hollow, or more resonant than muted. This is one of the most common caveats in otherwise positive reviews.
connection stability
P1
Product 1: Endgame Gear XM2we
4.5
Connection stability is strong in direct reports, with reviewers noting no drops, lags, hiccups, or similar wireless problems.
P2
Product 2: Razer Viper V4 Pro
4.9
The new dongle and antenna design are repeatedly tied to stable, reliable connections. Reviewers describe the link as solid and dependable in real use.
DPI range
P1
Product 1: Endgame Gear XM2we
4.3
The PAW3370 sensor supports a high 19,000 CPI range, which reviewers present as enough for competitive shooter use.
P2
Product 2: Razer Viper V4 Pro
4.9
One review highlights the 50,000 DPI ceiling as a meaningful expansion of the usable adjustment range. Even when reviewers did not need that maximum, they saw the headroom as a clear spec upgrade.
durability over time
P1
Product 1: Endgame Gear XM2we
4.5
Durability evidence comes mainly from optical-switch design, no double-click issues, and switch ratings rather than long-term ownership.
P2
Product 2: Razer Viper V4 Pro
4.6
One review explicitly describes the V4 Pro as lighter and more durable than before. That supports the idea that the refinement is not just about speed, but also long-term robustness.
ergonomic design
P1
Product 1: Endgame Gear XM2we
4.5
Ergonomic evidence centers on the shape, thumb-access side buttons, low button height, and stability for claw-oriented grip styles.
P2
Product 2: Razer Viper V4 Pro
3.8
The ergonomics are acceptable for a competitive symmetrical mouse, but not a headline strength. Reviews often contrast it with more sculpted ergonomic alternatives.
fingertip grip comfort
P1
Product 1: Endgame Gear XM2we
2.7
Fingertip comfort is mixed to weak, with reviewers saying the mouse is wide or not ideal for fingertip grip unless the hand size fits.
P2
Product 2: Razer Viper V4 Pro
4.6
Fingertip grip is also highlighted as a good match for the Viper V4 Pro’s low-profile symmetrical design. Reviews regularly list fingertip among the preferred grip styles.
FPS gaming suitability
P1
Product 1: Endgame Gear XM2we
4.6
FPS suitability is a clear strength, with multiple reviewers testing or recommending it for shooters and fast aim-heavy play.
P2
Product 2: Razer Viper V4 Pro
4.8
This is consistently framed as an elite FPS or competitive shooter mouse. Reviews repeatedly connect its shape, low weight, sensor, and latency profile to high-level shooter play.
glide smoothness
P1
Product 1: Endgame Gear XM2we
4.4
Glide is a major strength on suitable pads, repeatedly described as smooth, fluid, or excellent, though some hard or soft pad edge cases appear.
P2
Product 2: Razer Viper V4 Pro
4.8
Feet and skates are repeatedly praised for smooth glide and easy fast movement. Several reviews connect the glide quality to the mouse’s competitive feel.
grip texture
P1
Product 1: Endgame Gear XM2we
4.2
Grip texture is divisive: many praise the coating as grippy, while others find it slippery, dirty-looking, or lacking enough grip.
P2
Product 2: Razer Viper V4 Pro
4.7
The shell texture or coating is repeatedly praised for helping grip without feeling slippery. Matte and coated finishes are a recurring positive in day-to-day use.
handedness options
P1
Product 1: Endgame Gear XM2we
2.0
The side-button layout and shape make this effectively a right-handed mouse, with no left-handed option discussed.
P2
Product 2: Razer Viper V4 Pro
2.0
Multiple reviews stress that this is effectively a right-handed mouse because the side buttons sit on the left side only. Left-handed flexibility is limited.
left and right click quality
P1
Product 1: Endgame Gear XM2we
4.6
Left and right clicks are generally praised for crisp optical feel, though some reviewers found them heavy or uneven.
P2
Product 2: Razer Viper V4 Pro
4.6
Primary clicks are commonly praised for being sharp, tactile, and consistent across the button surface. The consensus is stronger on feel than on sound.
lift-off distance
P1
Product 1: Endgame Gear XM2we
4.3
Lift-off distance is adjustable, with reviewers citing 2mm stock behavior and a 1mm option through software.
P2
Product 2: Razer Viper V4 Pro
4.5
Lift-off controls and behavior are discussed directly in multiple reviews. Most describe the feature set or results positively, though one reviewer still wanted a lower default lift-off distance.
long-session comfort
P1
Product 1: Endgame Gear XM2we
4.4
Long-session evidence is positive but limited, with one review emphasizing low strain over extended use.
P2
Product 2: Razer Viper V4 Pro
4.7
Low weight and balanced construction help reduce fatigue over long sessions. Multiple reviewers directly connect comfort over time to the mouse’s light, well-distributed design.
macro support
P1
Product 1: Endgame Gear XM2we
4.0
Macro support is present in the companion app according to PC Gamer, though only one review discusses it directly.
P2
Product 2: Razer Viper V4 Pro
4.6
One review explicitly says Synapse is where users create macros. Macro support exists, but it is not a major focus of most reviews.
materials quality
P1
Product 1: Endgame Gear XM2we
4.4
Material evidence supports a thick plastic chassis and matte coating that reviewers generally describe as high quality.
P2
Product 2: Razer Viper V4 Pro
4.9
Material quality is described as sturdy, dense, and notably premium for such a light mouse. Reviews reject the idea that the shell feels cheap just because it is ultralight.
motion consistency
P1
Product 1: Endgame Gear XM2we
4.5
Motion consistency is strong in direct testing, including stable polling-rate behavior and no noticeable latency comments.
P2
Product 2: Razer Viper V4 Pro
4.6
Movement is described as smooth and more fluid, especially when the mouse is tuned well. Reviews connect that smoothness to tracking quality and high polling support.
onboard memory
P1
Product 1: Endgame Gear XM2we
4.4
Onboard profiles are directly supported in Tom’s Hardware, which says saved profiles can be used without installing software.
P2
Product 2: Razer Viper V4 Pro
4.5
One review explicitly mentions onboard profiles that can be adjusted in the browser. That suggests the mouse can hold profile data beyond a purely temporary software session.
palm grip comfort
P1
Product 1: Endgame Gear XM2we
3.9
Palm comfort is workable but not the main target; some reviewers liked it for palm grip, while others said the shape favors claw.
P2
Product 2: Razer Viper V4 Pro
4.1
Palm grip support is workable but not universal. Several reviewers were comfortable with it, while others preferred a more ergonomic shape or wanted more thumb-side contour.
polling rate
P1
Product 1: Endgame Gear XM2we
4.2
Polling-rate support is repeatedly mentioned, with 1,000Hz behavior described as responsive or stable.
P2
Product 2: Razer Viper V4 Pro
4.8
True 8,000Hz polling is a recurring selling point across the reviews. Several reviewers say the higher polling rate improves smoothness or responsiveness, even if some note the benefit is strongest for competitive play.
portability
P1
Product 1: Endgame Gear XM2we
3.1
Portability is mixed because it is wireless and light, but lack of dongle storage or Bluetooth limits travel/laptop convenience.
P2
Product 2: Razer Viper V4 Pro
3.0
Portability is not a major strength. One review specifically says the dongle-and-cable setup is less convenient for travel than a simpler all-in-one wireless approach.
premium feel
P1
Product 1: Endgame Gear XM2we
4.6
Premium feel is repeatedly tied to the coating, build, quality, and overall hand feel despite the no-frills feature set.
P2
Product 2: Razer Viper V4 Pro
4.7
Several reviews say the mouse feels distinctly premium in hand. That impression comes from the coating, shell rigidity, and overall finish rather than flashy extras.
programmable buttons
P1
Product 1: Endgame Gear XM2we
3.9
Programmable buttons are present in a simple five-button layout with an extra underside button in one review.
P2
Product 2: Razer Viper V4 Pro
4.5
Reviews confirm that the side buttons can be programmed. The mouse stays minimal on button count, but the available buttons are still treated as configurable.
RGB features
P1
Product 1: Endgame Gear XM2we
1.1
RGB features are intentionally absent; reviewers often treat the no-RGB design as a no-frills choice, but the feature score is low.
P2
Product 2: Razer Viper V4 Pro
1.8
The lack of RGB is mentioned again and again as part of the Viper V4 Pro’s stripped-down competitive focus. Reviews frame this as a deliberate trade-off for lower weight and better battery life.
scroll wheel quality
P1
Product 1: Endgame Gear XM2we
4.2
Scroll-wheel quality is mixed but mostly good, with praise for stiffness, tactility, and defined steps plus some complaints about rigidity.
P2
Product 2: Razer Viper V4 Pro
4.6
The optical scroll wheel is one of the mouse’s strongest recurring positives. Reviews praise its accuracy, defined steps, and consistency, although one review found the detents too soft for precise selection.
sensor performance
P1
Product 1: Endgame Gear XM2we
4.4
Sensor performance is consistently solid to excellent, despite several reviewers noting the PAW3370 is older than newer 3395-based rivals.
P2
Product 2: Razer Viper V4 Pro
4.8
The Focus Pro 50K Gen-3 sensor is repeatedly described as accurate, fast, and technically impressive. Reviews frame it as one of the mouse’s core performance upgrades.
shape comfort
P1
Product 1: Endgame Gear XM2we
4.3
Shape comfort is strong for XM1 fans and claw grip, but less safe for smaller hands or non-claw grip styles.
P2
Product 2: Razer Viper V4 Pro
4.6
The safe symmetrical shell is widely described as comfortable and easy to adapt to. Even reviews with ergonomic reservations still treat the shape as broadly successful.
side button quality
P1
Product 1: Endgame Gear XM2we
4.6
Side-button quality is one of the most consistent positives, with repeated praise for placement, tactility, and low travel.
P2
Product 2: Razer Viper V4 Pro
4.4
Side buttons are generally seen as easy to reach and unusually good for a lightweight competitive mouse. Several reviews specifically praise their tactility or usability.
software stability
P1
Product 1: Endgame Gear XM2we
3.1
Software stability is mixed: the app is simple and works for configuration, but battery reporting is criticized as unreliable.
P2
Product 2: Razer Viper V4 Pro
3.9
Software behavior is mostly positive, but not flawless. Reviews praise the new web approach while also mentioning older Synapse heaviness or a web app conflict in one case.
software usability
P1
Product 1: Endgame Gear XM2we
4.4
Software usability is strong overall because the tool is simple, light, and focused on essentials rather than bloat.
P2
Product 2: Razer Viper V4 Pro
4.6
Synapse Web is widely seen as a meaningful usability improvement because it makes tuning easier without a heavy install. Across the reviews, software control is generally presented as easy and full-featured.
surface compatibility
P1
Product 1: Endgame Gear XM2we
4.1
Surface compatibility is good overall, but reviewers note the glide behaves best on suitable soft pads and may feel rough on hard pads.
P2
Product 2: Razer Viper V4 Pro
4.8
Reviews mention reliable tracking and lift-off behavior across different surfaces. Surface handling is treated as dependable rather than finicky.
switch durability
P1
Product 1: Endgame Gear XM2we
4.5
Switch durability is supported by optical-switch advantages, rated click life, and lack of accidental double-clicking.
P2
Product 2: Razer Viper V4 Pro
4.8
Multiple reviews cite the 100 million click rating and treat the switches as built for long competitive use. Durability is framed as a real upgrade, not a throwaway spec.
switch feel
P1
Product 1: Endgame Gear XM2we
4.1
Switch feel is broadly good but not universally loved because reviewers split between crisp, tactile praise and complaints about heaviness.
P2
Product 2: Razer Viper V4 Pro
4.7
The Gen-4 optical switches are usually described as tactile, crisp, lighter to actuate, and responsive. Even reviewers who questioned the sound still tended to praise the core feel.
value for money
P1
Product 1: Endgame Gear XM2we
4.4
Value is broadly positive around $79.99 or £80, though PC Gamer considered it less automatic against cheaper competitors.
P2
Product 2: Razer Viper V4 Pro
3.5
Reviewers agree the V4 Pro performs at a premium level, but many still flag the price as hard to justify for non-competitive users. Value is strongest for buyers who specifically want top-tier lightweight FPS performance.
water and dust resistance
P1
Product 1: Endgame Gear XM2we
3.6
Water and dust resistance is only lightly supported by the hole-free shell comment, not by any formal IP rating or test.
P2Product 2: Razer Viper V4 Pro
No score yetweight
P1
Product 1: Endgame Gear XM2we
4.3
Weight is consistently light at roughly 62-65g, though some reviewers compare it unfavorably with 55g competitors.
P2
Product 2: Razer Viper V4 Pro
4.8
Nearly every review treats the 49 to 50 gram weight as a defining advantage. The mouse is repeatedly described as feather-light, easy to move, and faster-feeling in hand.
wireless latency
P1
Product 1: Endgame Gear XM2we
4.8
Wireless latency evidence is strong, with reviewers reporting no noticeable latency or very low measured motion/click latency.
P2
Product 2: Razer Viper V4 Pro
4.9
Several reviews call out very low latency figures or noticeably crisp wireless response. The low-latency wireless link is a major part of the product’s competitive positioning.
wireless performance
P1
Product 1: Endgame Gear XM2we
4.6
Wireless performance is consistently strong, with reviews reporting smooth play, no dropouts, and no meaningful wired/wireless difference.
P2
Product 2: Razer Viper V4 Pro
4.8
Wireless performance is broadly praised as fast, responsive, and confidence-inspiring. Reviewers often say it feels fully competitive with wired expectations.